<template>
  <div>
    <!-- 导入对话框 -->
    <el-dialog :title="title" :visible.sync="upload.open" width="400px" append-to-body>
      <el-upload ref="upload" :limit="1" accept=".xlsx, .xls" :headers="headers" :action="url" :disabled="upload.isUploading" :on-progress="handleFileUploadProgress" :on-success="handleFileSuccess" :on-error="handleFileError" :auto-upload="false" drag>
        <i class="el-icon-upload"></i>
        <div class="el-upload__text">
          将文件拖到此处，或
          <em>点击上传</em>
        </div>
        <div class="el-upload__tip text-center" slot="tip">
          <span>仅允许导入xls、xlsx格式文件。</span>
          <el-link type="primary" :underline="false" style="font-size:12px;vertical-align: baseline;" @click="downExcelTemp" v-if="tempUrl">下载模板
          </el-link>
        </div>
      </el-upload>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitFileForm">确 定</el-button>
        <el-button @click="upload.open = false">取 消</el-button>
      </div>
    </el-dialog>

    <!--校验失败错误数据-->
    <el-dialog title="校验失败数据" :visible.sync="errorVisible">
      <el-table :data="errorData">
        <el-table-column property="lineNum" label="行号" width="50"></el-table-column>
        <el-table-column property="errors" label="错误描述" show-overflow-tooltip>
          <template slot-scope="scope">
            <el-tag type="danger" v-for="error in scope.row.errors" :key="error">{{ error }}
            </el-tag>
          </template>
        </el-table-column>
      </el-table>
    </el-dialog>
  </div>
</template>

<script>
import store from "@/store";

export default {
  name: "ExcelUpload",
  components: {},
  props: {
    url: {
      type: String
    },
    title: {
      type: String
    },
    tempUrl: {
      type: String
    }
  },
  data() {
    return {
      upload: {
        open: false,
        isUploading: false
      },
      errorVisible: false,
      errorData: []
    };
  },
  computed: {
    headers: function() {
      const tenantId = store.getters.userInfo.tenantId
      return {
        'Authorization': "Bearer " + store.getters.access_token,
        'TENANT-ID': tenantId ? tenantId : '1'
      };
    }
  },
  methods: {
    downExcelTemp() {
      this.downBlobFile(this.tempUrl, {}, "temp.xlsx");
    },
    handleFileUploadProgress() {
      this.upload.isUploading = true;
    },
    handleFileError() {
      this.$message.error('上传失败,数据格式不合法!')
      this.upload.open = false;
    },
    handleFileSuccess(response) {
      this.upload.isUploading = false;
      this.upload.open = false;
      this.$refs.upload.clearFiles();

      // 校验失败
      if (response.code === 1) {
        this.$message.error("导入失败，以下数据不合法");
        this.errorVisible = true;
        this.errorData = response.data;
        this.$refs.upload.clearFiles();
      } else {
        this.$message.success(response.msg ? response.msg : "导入成功");
        // 刷新表格
        this.$emit("refreshDataList");
      }
    },
    submitFileForm() {
      this.$refs.upload.submit();
    },
    show() {
      this.upload.isUploading = false;
      this.upload.open = true;
    }
  }
};
</script>
